4n(5n-7n-3)=

Solution for 4n(5n-7n-3)= equation:

Simplifying
4n(5n + -7n + -3) = 0

Reorder the terms:
4n(-3 + 5n + -7n) = 0

Combine like terms: 5n + -7n = -2n
4n(-3 + -2n) = 0
(-3 * 4n + -2n * 4n) = 0
(-12n + -8n2) = 0

Solving
-12n + -8n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '-4n'.
-4n(3 + 2n) = 0

Ignore the factor -4.
Subproblem 1
Set the factor 'n' equal to zero and attempt to solve:

Simplifying
n = 0

Solving
n = 0

Move all terms containing n to the left, all other terms to the right.

Simplifying
n = 0
Subproblem 2
Set the factor '(3 + 2n)' equal to zero and attempt to solve:

Simplifying
3 + 2n = 0

Solving
3 + 2n = 0

Move all terms containing n to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 2n = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2n = 0 + -3
2n = 0 + -3

Combine like terms: 0 + -3 = -3
2n = -3

Divide each side by '2'.
n = -1.5

Simplifying
n = -1.5
Solution
n = {0, -1.5}